Baglietto, Cesati & Notaris, Erb. Critt. Ital. Ser. [I-II].
F. Baglietto, V. de Cesati, G. de Notaris, and others [1-1500]

USDA United States National Fungus Collections
Catalog #: BPI 939194
s.n.
Microthyrium microscopicum Desm.
Italy

Field Museum of Natural History
Catalog #: C0243180F
762a8261-d592-4533-87ab-4657ea7689f4
G. Passerini #s.n. 00 July 1884
Microthyrium microscopicum Desm. Desm.
Italy, Emilia-Romagna, Parma, Vigheffio, near Parma